摘要: var hAppMutex: THandle; //声明互斥变量begin hAppMutex := CreateMutex(nil, false,'WMS');// WMS应用程序名称 if ((hAppMutex <> 0) and (GetLastError() = ERROR_ALREADY 阅读全文
posted @ 2017-04-24 20:18 夏天的西瓜君 阅读(455) 评论(0) 推荐(0)